CN206451764U - A kind of MFC reactors of synchronous nitration short-cut denitrification - Google Patents
A kind of MFC reactors of synchronous nitration short-cut denitrification Download PDFInfo
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- CN206451764U CN206451764U CN201720081509.2U CN201720081509U CN206451764U CN 206451764 U CN206451764 U CN 206451764U CN 201720081509 U CN201720081509 U CN 201720081509U CN 206451764 U CN206451764 U CN 206451764U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model discloses a kind of MFC reactors of synchronous nitration short-cut denitrification, by setting the first cathode chamber and the second cathode chamber in anode chamber upper end, regulating reservoir is provided between first cathode chamber and the second cathode chamber, increase the dissolved oxygen content in regulating reservoir reduction water, so as to eliminate because dissolved oxygen has caused denitrification and suppressed；Anode chamber, carbon felt is filled in first cathode chamber and the second cathode chamber, water is intake from anode chamber bottom, through anaerobic processes redox reaction occurs for organic matter in the anode compartment, proton enters the reduction reaction that negative electrode participates in cathode chamber through PEM, water in anode chamber enters the first cathode chamber by peristaltic pump, aeration is carried out in first cathode chamber to occur to enter the second cathode chamber after flowing into regulating reservoir reduction oxygen in water after nitration reaction, denitrification denitrogenation is carried out in the second cathode chamber, anode chamber is set with cathode chamber for above-below direction, increase effective proton transfer area, reduce reactor internal resistance, improve coulombic efficiency increase electricity production output.
Description
Technical field
The utility model belongs to synchronous nitration and denitrification process unit, and in particular to a kind of synchronous nitration short-cut denitrification
MFC reactors.
Background technology
Although in the last few years, sewage disposal recycling achieves certain development at home, recycling is mainly concentrated
Two aspects of organic matter and nitrogen phosphorus in waste water is reclaimed are studied, and ignore the resource in sewage treatment process
Reclaim.Microbiological fuel cell is as the new research field of nearest sewage recycling, to the resource reclaim in sewage disposal process
With actual feasibility.
MFC is a special class in fuel cell, is by the chemical energy in organic matter in the presence of microorganism biological enzyme
It is converted into device-microbiological fuel cell of electric energy.MFC can pass through microorganism by the use of gas chromatography as electron donor
Metabolism carries out energy conversion, and Microbial fuel discharges proton, electricity while the anodic decomposition of battery is using organic matter
Son and metabolite, electronics are delivered on cell membrane first, are then transferred to the anode electrode of battery from cell membrane again, a part
Electronics can be transferred to anode by microbial respiratory enzyme, and another part electronics is additional by the potassium ferricyanide, dimethyl diaminophenazine chloride, thionine etc.
Carrier is transferred to anode, is then circulated through external circuit, and electronics reaches cathode electrode by anode electrode, thus produces extrinsic current；With
This simultaneously, metabolic process produce hydrogen ion cathode chamber is moved to by PEM, in cathodic reduction material by connecing
Receive external circuit electronics and occur reduction reaction, realize the transmission of electric charge in battery, so as to complete whole electrochemical process and energy turn
Change process.But existing microbiological fuel cell internal resistance is big, and coulombic efficiency is low, and removal of carbon and nitrogen effect does not reach the sewage of real row
Handle discharge standard.
Utility model content
The purpose of this utility model is to provide a kind of MFC reactors of synchronous nitration short-cut denitrification, existing to overcome
The deficiency of technology.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of MFC reactors of synchronous nitration short-cut denitrification, including anode chamber and it is arranged on the of anode chamber upper end
One cathode chamber and the second cathode chamber, are provided with regulating reservoir, two cathode chambers and anode chamber between the first cathode chamber and the second cathode chamber
Between obstructed by PEM, two are obstructed between cathode chamber and regulating reservoir by lucite, anode chamber,
Filled in first cathode chamber and the second cathode chamber by carbon felt, the anode electrode through carbon felt is provided with anode chamber, first is cloudy
The cathode electrode of the carbon felt in cathode chamber is equipped with pole room and the second cathode chamber, anode chamber's right-hand member is provided with water inlet, anode
Room left end delivery port is connected by peristaltic pump with the first cathode chamber water inlet, and the second cathode chamber right-hand member is provided with delivery port.
Further, anode electrode and cathode electrode are carbon-point.
Further, anode electrode is horizontally installed in anode chamber, and cathode electrode is vertically arranged in the first cathode chamber and
In two negative electrodes.
Further, the carbon felt filled wherein in anode chamber includes multiple vertical carbon felt layers uniform cloth in the horizontal direction
Put, the carbon felt of filling is vertically evenly arranged including multiple horizontal carbon felts layers in the first cathode chamber and the second cathode chamber.
Further, wherein anode electrode and cathode electrode connect same external circuit.
Further, anode electrode is connected by wire with cathode electrode by load.
Further, load is parallel with signal picker.
Further, wherein being provided with sudden and violent device of air in the first cathode chamber, the second cathode chamber is sealing cathode chamber.
Compared with prior art, the utility model has following beneficial technique effect：
A kind of MFC reactors of synchronous nitration short-cut denitrification of the utility model, by setting first in anode chamber upper end
Cathode chamber and the second cathode chamber, are provided with regulating reservoir between the first cathode chamber and the second cathode chamber, two cathode chambers and anode chamber it
Between obstructed by PEM, two are obstructed between cathode chamber and regulating reservoir by lucite, anode chamber,
Filled in one cathode chamber and the second cathode chamber by carbon felt, the anode electrode through carbon felt, the first negative electrode are provided with anode chamber
The cathode electrode of the carbon felt in cathode chamber is equipped with room and the second cathode chamber, anode chamber's right-hand member is provided with water inlet, anode chamber
Left end is connected by peristaltic pump with the first cathode chamber, and the second cathode chamber right-hand member is provided with delivery port, increase regulating reservoir reduction water
Dissolved oxygen content, so as to eliminate because dissolved oxygen has caused denitrification and suppressed；Water is intake from anode chamber bottom, in anode chamber
Through anaerobic processes redox reaction occurs for middle organic matter, produces proton and electronics, and proton is joined through PEM into negative electrode
With the reduction reaction of cathode chamber, enter cathode chamber from anode chamber's opposite side water outlet through peristaltic pump, carried out in first cathode chamber
Aeration occurs after nitration reaction, enters the second cathode chamber after flowing into regulating reservoir reduction oxygen in water, is carried out in the second cathode chamber
Denitrification denitrogenation, anode chamber is set with cathode chamber for above-below direction, is increased effective proton transfer area, is reduced in reactor
Resistance, improves coulombic efficiency increase electricity production output.
Further, carbon felt is filled inside three pole rooms, on the one hand provides attachment point for microorganism growth, on the other hand
Improve the transmission efficiency of electronics.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Wherein, 1, peristaltic pump；2nd, anode electrode；3rd, anode chamber；4th, cathode electrode；5th, the first cathode chamber；6th, regulating reservoir；7、
Second cathode chamber；8th, delivery port；9th, water inlet；10th, carbon felt；11st, sudden and violent device of air.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of MFC reactors of synchronous nitration short-cut denitrification, including anode chamber 3 and it is arranged on anode
The first cathode chamber 5 and the second cathode chamber 7 of the upper end of room 3, are provided with regulating reservoir 6, two between the first cathode chamber 5 and the second cathode chamber 7
Obstructed between individual cathode chamber and anode chamber by PEM, organic glass is passed through between two cathode chambers and regulating reservoir 6
Glass is obstructed, and is filled in anode chamber 3, the first cathode chamber 5 and the second cathode chamber 7 by carbon felt 10, is provided with and is passed through in anode chamber 3
The anode electrode 2 of carbon felt 10 is worn, anode chamber and cathode chamber filling carbon felt 10 are used as microorganism growth attachment point, the first cathode chamber 5
With the cathode electrode 4 that the carbon felt 10 in cathode chamber is equipped with the second cathode chamber 7, anode electrode 2 and cathode electrode 4 are carbon
Rod, the right-hand member of anode chamber 3 is provided with water inlet 9, and the left end delivery port of anode chamber 3 is connected by the water inlet of 1 and first cathode chamber of peristaltic pump 5
Logical, the right-hand member of the second cathode chamber 7 is provided with delivery port 8.Wherein anode electrode 2 and cathode electrode 4 connects same external circuit.Wherein first
Cathode chamber 5 is connected with sudden and violent device of air 11, and the second cathode chamber 7 is sealing cathode chamber.
Specifically, anode electrode 2 is horizontally installed in anode chamber 3, cathode electrode 4 is vertically arranged in the He of the first cathode chamber 5
In second cathode chamber 7.The carbon felt of filling is evenly arranged in the horizontal direction including multiple vertical carbon felts layers wherein in anode chamber 3,
The carbon felt of filling is vertically evenly arranged including multiple horizontal carbon felts layers in first cathode chamber 5 and the second cathode chamber 7.The
One cathode chamber is connected with regulating reservoir, and regulating reservoir is connected with the second cathode chamber by check valve.
It is described further below in conjunction with the accompanying drawings to structural principle of the present utility model and using step：
Water is intake from anode chamber's right-hand member water inlet, and through anaerobic processes redox reaction occurs for organic matter in the anode compartment,
Proton and electronics are produced, proton enters the reduction reaction that cathode chamber participates in cathode chamber through PEM, anti-through oxidization-reduction
Water after answering enters the first cathode chamber from anode chamber's opposite side water outlet through peristaltic pump, and aeration is carried out in first cathode chamber
After nitration reaction, enter the second cathode chamber after flowing into regulating reservoir reduction oxygen in water, denitrification denitrogenation is carried out in this pole room.
The present apparatus reduces the dissolved oxygen content in water by increasing regulating reservoir, so as to eliminate because dissolved oxygen has caused denitrification suppression
System, anode chamber is set with cathode chamber for above-below direction, increases effective proton transfer area, reduces reactor internal resistance, improves storehouse
The increase electricity production output of human relations efficiency.
Anode influent COD is utilized in 2000mg/L enough electronics provided above for nitrification and denitrification, ammonia nitrogen concentration water distribution
300mg/L, other compositions include ealkaline buffer KH2PO4 and KH2PO47H2O, and acid buffer agent is NaHCO3, Yi Jizeng
Plus the KCL of electric conductivity, from the water inlet of anode chamber lower end, according to anode water outlet COD, control water inlet flow velocity goes out anode through peristaltic pump
Water is sent to the first cathode chamber 5, carries out aerobic aeration processing, and now nitration reaction occurs for ammonia nitrogen, and control dissolved oxygen is in 0.5mg/
L--0.8mg/L, the first cathode chamber water outlet carries out oxygen at anaerobism stop, 30 DEG C of bath temperature to regulating reservoir 6 in regulating reservoir
Solubility is relatively low to escape oxygen, and the water outlet that Simultaneous Nitrification bacterium proceeds in nitration reaction consumption oxygen, regulating reservoir enters cloudy
Pole room 7, carries out anti-nitration reaction, and anode chamber's anode electrode is passed through negative by wire and the first cathode chamber and the second cathode chamber electrode
Carry R to be connected, signal picker is in parallel with load R.
Claims (8)
1. a kind of MFC reactors of synchronous nitration short-cut denitrification, it is characterised in that including anode chamber (3) and be arranged on sun
First cathode chamber (5) and the second cathode chamber (7) of pole room (3) upper end, set between the first cathode chamber (5) and the second cathode chamber (7)
There is regulating reservoir (6), two are obstructed between cathode chamber and anode chamber by PEM, two cathode chambers and regulating reservoir
(6) obstructed between by lucite, carbon is passed through in anode chamber (3), the first cathode chamber (5) and the second cathode chamber (7)
Felt (10) is filled, and the anode electrode (2) through carbon felt (10), the first cathode chamber (5) and the second cathode chamber are provided with anode chamber (3)
(7) cathode electrode (4) of the carbon felt (10) in cathode chamber is equipped with, anode chamber (3) right-hand member is provided with water inlet (9), anode
Room (3) left end delivery port is connected by peristaltic pump (1) with the first cathode chamber (5) water inlet, and the second cathode chamber (7) right-hand member is provided with out
The mouth of a river (8).
2. a kind of MFC reactors of synchronous nitration short-cut denitrification according to claim 1, it is characterised in that anode electricity
Pole (2) and cathode electrode (4) are carbon-point.
3. a kind of MFC reactors of synchronous nitration short-cut denitrification according to claim 1, it is characterised in that anode electricity
Pole (2) is horizontally installed in anode chamber (3), and cathode electrode (4) is vertically arranged in the first cathode chamber (5) and the second cathode chamber (7)
It is interior.
4. a kind of MFC reactors of synchronous nitration short-cut denitrification according to claim 3, it is characterised in that its middle-jiao yang, function of the spleen and stomach
The carbon felt of filling is evenly arranged in the horizontal direction including multiple vertical carbon felts layers in pole room (3), the first cathode chamber (5) and second
The carbon felt of filling is vertically evenly arranged including multiple horizontal carbon felts layers in cathode chamber (7).
5. a kind of MFC reactors of synchronous nitration short-cut denitrification according to claim 1, it is characterised in that its middle-jiao yang, function of the spleen and stomach
Pole electrode (2) and cathode electrode (4) connect same external circuit.
6. a kind of MFC reactors of synchronous nitration short-cut denitrification according to claim 1, it is characterised in that anode electricity
Pole (2) is connected by wire with cathode electrode (4) by loading (R).
7. a kind of MFC reactors of synchronous nitration short-cut denitrification according to claim 1, it is characterised in that load (R)
It is parallel with signal picker.
8. the MFC reactors of a kind of synchronous nitration short-cut denitrification according to claim 1, it is characterised in that wherein exist
First cathode chamber (5) connects sudden and violent device of air (11), and the second cathode chamber (7) is sealing cathode chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081509.2U CN206451764U (en) | 2017-01-22 | 2017-01-22 | A kind of MFC reactors of synchronous nitration short-cut denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081509.2U CN206451764U (en) | 2017-01-22 | 2017-01-22 | A kind of MFC reactors of synchronous nitration short-cut denitrification |
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| Publication Number | Publication Date |
|---|---|
| CN206451764U true CN206451764U (en) | 2017-08-29 |
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ID=59666888
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| CN201720081509.2U Expired - Fee Related CN206451764U (en) | 2017-01-22 | 2017-01-22 | A kind of MFC reactors of synchronous nitration short-cut denitrification |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573821A (en) * | 2020-05-22 | 2020-08-25 | 盐城工学院 | Electrode denitrification system based on autotrophic short-cut denitrification-anaerobic ammonia oxidation module |
| CN112047456A (en) * | 2020-07-28 | 2020-12-08 | 国河环境研究院(南京)有限公司 | Microbial fuel cell wastewater denitrification device and method |
| CN113471501A (en) * | 2021-06-28 | 2021-10-01 | 太原理工大学 | Series continuous flow microbial fuel cell system, preparation method thereof and application thereof in degrading nitrobenzene wastewater |
| CN113707924A (en) * | 2021-10-29 | 2021-11-26 | 中国科学院过程工程研究所 | Microbial fuel cell and construction method and application thereof |
-
2017
- 2017-01-22 CN CN201720081509.2U patent/CN206451764U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573821A (en) * | 2020-05-22 | 2020-08-25 | 盐城工学院 | Electrode denitrification system based on autotrophic short-cut denitrification-anaerobic ammonia oxidation module |
| CN112047456A (en) * | 2020-07-28 | 2020-12-08 | 国河环境研究院(南京)有限公司 | Microbial fuel cell wastewater denitrification device and method |
| CN113471501A (en) * | 2021-06-28 | 2021-10-01 | 太原理工大学 | Series continuous flow microbial fuel cell system, preparation method thereof and application thereof in degrading nitrobenzene wastewater |
| CN113471501B (en) * | 2021-06-28 | 2022-07-08 | 太原理工大学 | Series continuous flow microbial fuel cell system, preparation method thereof and application thereof in degrading nitrobenzene wastewater |
| CN113707924A (en) * | 2021-10-29 | 2021-11-26 | 中国科学院过程工程研究所 | Microbial fuel cell and construction method and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20180122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |